Device comprising actuating mechanisms with a pedal and comprising a hydraulic actuator for lifting and lowering, respectively, the cover and the seat of a wc

ABSTRACT

A device having mechanisms for lifting and lowering the cover and the seat of a toilet (WC), including a structure fixed to the rear part of the mouth of a WC bowl and housing a first axle and a second axle arranged co-linearly and separated at the ends thereof. The first and second axles include, on the adjunct co-linear ends, a first cam and a second cam designed to receive and hold the end of a first cable and a second cable. The ends of the cables respectively connect to a first pedal element and a second pedal element that are independent of each other, but mounted in a single structure. The device can include a mechanism actuated by a hydraulic piston in order to lower the cover and seat automatically when the WC tank is emptied.

FIELD OF THE INVENTION

The present invention relates to means and devices used in toilets orlavatories; particularly relates to means used to raise and lower thelid and seat of a toilet without direct contact with the hand and morespecifically is referred to a novel device with pedal drive mechanismand hydraulic actuator to raise and lower, respectively, the lid andseat of a toilet independently or simultaneously.

BACKGROUND OF THE INVENTION

As is well known, toilets commonly used, are shaped in such a way thatstructurally comprise a bowl consisting of a body having a centralcavity of round or oblong hole, with an internal trap which dischargesby a base fixed to floor and where the exit of the trap is connected tothe sanitary drainage network; said bowl comprising an upper tank wherea volume of water is deposited, which is connected through a duct withsaid bowl; wherein said ducts comprise a ball-cock supply valve withdriving means for discharging water into the bowl.

A water supply conduit from a water supply source of domestic network orpublic network is connected directly into the water storage upper tank,comprising or not a control bypass valve; wherein said tank comprisesvalve means controlled by a float element to control the volume of waterto be stored and discharged to the toilet, to dislodge micturitionsand/or feces.

The toilet bowl hole comprises in the back part, some orifices where areinserted fixing means for a collapsible bowl hole cover lid and seatwhich are in a round or horseshoe shape, disposed below the lid and overthe edge of the bowl hole, that is used for reasons of hygiene toprevent the user from having direct contact with the toilet surface, aswell as provide greater comfort to the user.

The covering lid of the bowl consists of a solid body similar to thehole shape (round or oblong) and the seat has an annular or ellipticalshape that follows the contour of the bowl hole, some seats are shapedlike a horseshoe. Said seat is used so that people to sit on it andavoid direct contact with the bowl surface; in some cases the seat ispadded for comfort, while the lid allows covering the bowl hole.

When a female person uses the toilet, usually tends to lift the lid withat least one hand, which implies contamination, poor hygiene, etc.

As for a male person, is well known existing problems, as when a manonly seeks urinate, usually if it has a good habit, lifts with his handsboth the lid and seat to avoid splashing the seat with urine and keepclean the seat, when the toilet is used to defecate, with the sanitaryimplications already indicated by the direct contact of the hand withthe lid and seat, but in many cases the man, only lift the lid, or ifthe lid is already raised, they do not raise the seat, which imply thatwhen they urinate splash and get wet with urine the seat, causingdispleasure in other users and causing contamination of the lid thatcould be a source of infection for other users, especially when some ofthese users who have bad habit and do not lift the lid, have someinfectious disease contagious through urine.

In the prior art were found various mechanisms and mechanical devices,hydraulic and pneumatic that allow lift the toilet lid and/or seat, asan example are cited the following documents as reference, the patentapplication PA/a/2001/006808, the patent Application GB 2376475 (A), theutility model MX1636, the Mexican patent application Pa/a/2006/012503,the U.S. Pat. No. 4,291,422, among others.

Also in the patent application by the same inventor Carlo Gomez SpainCollignon MX/a/2009/005262 filed May 18, 2009, entitled hydraulicdriving device for raising and lowering the cover lid and seat of atoilet, and driving method, as in the patent application also by thesame inventor MX/a/2009/009461 also filed Sep. 4, 2009, which hasalready been granted and is in the process of issuing the correspondingtitle. Said application relates to improvements to the hydraulic drivingdevice for raising and lowering the covering lid and seat of a toilet,makes a remembrance of the state of the art and described the majordrawbacks of various devices that perform the same operation, which aremade extensive to the present description by reference.

Patent application MX/a/2009/005262, is intended to protect a hydraulicdriving device for raising and lowering the covering lid and seat of atoilet, characterized by comprising a casing comprising two hollowchambers attached, one left and one right, the cameras housing a leftrotatable shaft and a right rotatable shaft, respectively; both shaftscomprise a counterweight fixedly rotatable together with the shaftwithin the chambers, each chamber also houses a left and right resilientdiaphragm, attachment and interacting with the counterweights, saiddiaphragms comprise at least one connecting pivot where is connected asupplying duct and/or working fluid exit to actuate-push thecounterweight when they are inflated with working fluid supplied by anautomatic system or by a contact driving elements system and cause theturn of said shafts connected to a cover and a seat of a toilet,respectively, and which comprise at the back part, one left and oneright connecting flanges with orifice through which is inserted one leftand one right fixing bolts which is fixed at the ends of the rotatableshafts with the corresponding counterweights.

The application MX/a/2009/009461 seeks protection of improvements for ahydraulic driving device to raise and lower the covering lid and seat ofa toilet, of the kind formed by two left and right modules linkedtogether, where each module has their respective elements and has thesame conformation, characterized by said left and right modules comprisea casing, comprising internally an central transverse axis whose endsprotrude and wherein said casing is internally divided into threesemicircular recesses; the left axis end is attached to the lid and theright axis end to the seat, the opposite end being fixed to a driveplate of three flanges, remaining housed one flange in each cavity ofthe casing; also being housed in each cavity a cylindrical diaphragmattached to each of the flanges, which when are filled with waterpressed the flanges simultaneously causing partial turn of the axeswhich being coupled to the lid (left axis) or to the seat (right axis)are lifted together or separately or folded down on its rotarydisplacement when discharged; said diaphragms are connected and fed viacheck valve, first adapted to allow the passage of water supply to fillup the diaphragms when one of the actuating valves is actuated by thefoot or hand arranged on the floor in the left and right side of thetoilet, and second to drain the water and empty the diaphragms through apipeline to the toilet tank when the toilet button is actuated todischarge the same and activate the check valve; said left and rightvalves of foot actuation are connected to a general water distributorand is connected to the water supply duct of the supply network whichsupplies the toilet tank.

In both applications the devices operate based on diaphragms that mustbe filled with water to drive some shafts through some flanges, whichare attached at their ends to a cover and seat to raise and lower intheir turns. The device offers multiple embodiments in the twoapplications, but requires of multiple hydraulic connections that makecomplex the assembly, the operation and activation by the user.

Also involves the installation of large, bulky bodies for multipleconnections and water distributions and their installation is complex,time-consuming and requires specialized personnel among other multipledisadvantages.

Most of these devices are actuated using hydraulic elements which usethe water supply from a supply source so that by means of hydraulicactuators drive various mechanisms for lifting the lid and seatsimultaneously or separately, but these devices with hydraulic actuatorsare costly, complex and require special connections; in some casesrequire solenoid valves with presence sensors that increase costsconsiderably, besides requiring trained personnel for installation.

Devices are known which can be actuated by pedal, but these pedalscomprise valve means that regulate water flow into a mechanism to raisethe lid and seat, so that requiring connections and hydraulic lines, aswell as actuation means operating with the water power so as to raiseand lower the lid and seat.

In any document located is protected or disclosed a device with pedaldrive mechanism without the intervention of valve or hydraulic actuatorsto lift the lid and seat and optionally include hydraulic means forlowering the lid and seat automatically after to discharge the waterfrom the tank when the toilet has been used.

The device as is conceptualized is novel as it is designed and developedafter multiple tests, developments, research, investment of financial,personnel and supplies resources, which has allowed obtaining the deviceobject of the present invention.

OBJECT OF THE INVENTION

The main object of the present invention is to make available a devicewith pedal drive mechanisms to raise the lid and seat of a toilet andwith hydraulic actuators to lower the lid and seat automatically, oncetoilet tank water is discharged to dislodge debris from the toilet.

Another object of the invention is to make available such a device withpedal drive mechanisms to raise the lid and seat of a toilet and withhydraulic actuators to lower lid and seat automatically when the watertank is discharged, which also provide greater safety and hygiene to thetoilet users.

Another object of the invention is to make available such a device withpedal drive mechanisms to raise the lid and seat of a toilet and withhydraulic actuators to lower the lid and seat automatically when thewater tank is discharged, which also avoids the possibility of infectionby users, avoiding splashing the seat with urine.

Another object of the invention is to make available such a device withpedal drive mechanisms to raise the lid and seat of a toilet and withhydraulic actuators to lower the lid and seat automatically when thewater tank is discharged, which is also structurally simple, easy tomanufacture, easy to drive and easy to install.

Another object of the invention is to make available such a device withpedal drive mechanisms to raise the lid and seat of a toilet and withhydraulic actuators to lower the lid and seat automatically when thewater tank is discharged, which is also easy to install, of simplestructure, practical, functional and easy operation.

And all those qualities and objectives that will become apparent fromthe description of the present invention supported by the illustratedembodiments.

SUMMARY OF THE INVENTION

Generally the device with pedal drive mechanisms and hydraulic actuatorto raise and lower, respectively, the lid and seat of a toilet, inaccordance with the present invention comprises a support structurehousing a first rotatably axis and a second axis disposed collinearlyand partially separated at their ends enclosed within said supportstructure; the first axis being longer and being attached at the endwhich protrudes laterally from said support structure at the back sidepart of the toilet lid; said second axis is short and protruding at itsend opposite to said support structure to be affixed to the back sidepart of a toilet seat.

The first axis attached at its end to the lid and the second axisattached at its end to the seat comprise fixedly at the collinearattached internal ends of the support structure, a first cam and asecond cam, respectively, adapted to receive and hold the end of a firstcable and a second cable; the two cables of each cam out from underneaththe support structure and extends from the back part of the toilet bythe sides to the front part thereof, the end of the first cable isconnected to a first pedal element and the end of the second cable isconnected to a second pedal element, independent of each other, butmounted in the same structure, to be actuated with a foot.

In its preferred embodiment of the invention said first pedal, havingattached the first cable extending and fixed to said first cam that isfixedly mounted on said first fixed axis at the lid, is wider than thesecond pedal, for identification.

when is desired to lift the lid for use the toilet to defecate, thefirst wider pedal is pressed with the foot to retract the first cablethat pulls the first cam making rotate to said first axis and beingattached at its end to the lid, lifts, leaving the seat in normalposition to use the toilet, said first pedal remains in actuatedposition without returning to its rest position.

When is desired to lift the lid and seat simultaneously to use thetoilet to urinate (in the case of a male person), are pressedsimultaneously with the foot both the first pedal and second pedal,which pull the corresponding cables attached to said cams, joined inturn to said first and second axes connected to the lid and seat,respectively to lift them.

in the event that the lid is already raised and is desired lift theseat, the first pedal is in actuated position and the second pedalshould be at rest position, the latter is pressed with the foot to pullthe second cable that pulls the second cam making rotate said secondaxis and being attached at its end to the seat, lifts it; in this caseboth pedals remain in actuated position without returning to its restposition.

The pedals return to their rest position to be actuated when the lid andseat are lowered separately or simultaneously. To avoid this contactwith the hand, the device may comprise optionally or jointly a mechanismactivated with hydraulic piston to allow a second turn in the oppositedirection of said axes and hence to lower the lid and seatsimultaneously or independently and automatically when the water isdischarged from the toilet tank once it has stopped using.

Said support structure comprises a base comprising vertical supportmeans where rest and rotate said first axis and second axis and a coverwhich is mounted on the base and is coupled to the same with attachmentmeans, to internally protect the axes and actuation cams.

The support structure is fixed to the toilet in the back part of thehole of said toilet, attached to the base of the water reservoir andemploys a hollow fixing means penetrating through a hole formed in thetoilet and which has screw means for fixing; through said hollow fixingmeans penetrate the pedal drive cables and through a hole formed in thebase of said support structure.

Said hydraulic piston actuated mechanism, comprises of a hydraulicpiston whose rod makes an upstroke when pressurized water enter to saidpiston, to push and turn optionally a third cam mounted on said firstaxis fixed to said lid and to push simultaneously or separately a fourthcam fixed to a third hollow axis mounted on said first independentrotatably axis and fixed at one of its ends to said seat.

Said hydraulic piston comprises a bottom connection where a water supplyduct is connected from a supply source and housing internally a rod asupstroke element comprising a recoil enveloping spring, said pistoncomprising a first lower hole for entry of water which is incommunication with a second transversal hole that allows the watersupply through a side exit of the piston connected via a supply duct tothe bottom outlet of the water storage tank of the toilet for filling itwhen discharged by effect of pressure differential.

When the toilet is actuated to discharge the water from the tank anddislodge the waste from the toilet, is generated a pressure differentialthat allows the flow of pressurized water to the second fold-down pistonfrom the supply source to fill the tank, and simultaneously drive thepiston rod comprising fixedly at its upper end a cross shaped thrustcam, which in its upstroke abuts and pushes said third cam mounted onsaid first axis fixed to said lid and pushes simultaneously orseparately a fourth cam fixed on a third hollow axis mounted on saidfirst independent rotatably axis fixed at one end of said seat, so thatallows fold-down the lid and seat simultaneously, or separately byeffect of secure elements.

Said hydraulic piston is fixed in the back and bottom parts to saidtoilet by means of a hollow fixing element which penetrate in a secondorifice formed on said toilet, and also holds said base of the supportstructure to secure it at the same time over the toilet in the back partof the hole thereof, through said hollow fixing element the piston rodmakes its stroke and penetrates through a second hole formed in the baseof the support structure to drive the axes cams to lower the lid andseat as described.

Said base support structure cover comprises secure elements to preventfold-down or lower the lid folded and locking elements which lock thepiston element to prevent fold-down or lower the lid and seat; saidsecure element comprises a horizontal travel button mounted in ahorizontal groove of said casing and being connected to a guide railelement embracing a protrusion of said first cam, which being slidablyembraced by said first elongate axis which is attached to the lid, canmoves horizontally to remove said first cam and to avoid contact withthe cross shaped thrust cam; in this way is disabled the axis of the lidand prevents the lid is lowered when the water tank is discharged,pushing only the second cam fixed to said third hollow axis mounted insaid first independent rotatably axis and fixed at one of its ends tosaid seat in order to fold-dawn or lower the seat only.

Said locking element comprises a button slidably mounted in a horizontalgroove of the casing and which comprises fixedly a locking cam; so thatwhen said button slides horizontally said locking cam moves obstructingthe upstroke of the piston rod and avoids that when discharging thewater tank of the toilet, the lid and seat lower automatically.

To better understanding of the features of the invention, are attachedto this description as an integral part thereof, the drawings withillustrative but not limiting character, as described below.

BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 shows an exploded view of the device with pedal drive mechanismsand hydraulic actuator to raise and lower, respectively, the lid andseat of a toilet in accordance with the present invention.

FIG. 2 shows a conventional perspective view of the device with pedaldrive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet, in the embodiment shown inFIG. 1.

FIG. 3 shows a side view of the device with pedal drive mechanisms andhydraulic actuator to raise and lower, respectively, the lid and seat ofa toilet, with a cut in the support structure, in accordance with FIGS.1-2.

FIG. 4 illustrates a conventional perspective view of the device withpedal drive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet, already installed in thetoilet.

FIG. 5 shows a left side view of a toilet with the device with pedaldrive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet.

FIG. 6 shows a right side view of a toilet with the device with pedaldrive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet.

FIG. 7 illustrates a conventional perspective view of the device withpedal drive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet when the lid has been lifted.

FIG. 8 illustrates a conventional perspective view of a toilet with thedevice with pedal drive mechanisms and hydraulic actuator to raise andlower, respectively, the lid and seat of a toilet which has beenactuated to lift the lid.

FIG. 9 illustrates a conventional perspective view of the device withpedal drive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet when has been lifted the lidand seat.

FIG. 10 illustrates a conventional perspective view of a toilet with thedevice with pedal drive mechanisms and hydraulic actuator to raise andlower, respectively, the lid and seat of a toilet which has beenactuated to lift the lid and seat.

FIG. 11 shows a rear view of the device with pedal drive mechanisms andhydraulic actuator to raise and lower, respectively, the lid and seat ofa toilet, showing the safe and lock elements of the cams.

FIG. 12 illustrates a conventional perspective view of the device withpedal drive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet with the hydraulic actuatormechanism which is actuated to lower the lid and seat.

FIGS. 12 a and 12 b illustrate perspective conventional views of thehydraulic actuator mechanism which is actuated to lower the lid and seatsimultaneously.

FIG. 13 shows the hydraulic actuator mechanism that has been driven tolower the seat and showing the secure element which is actuated todisable the first cam of the first axis attached to the lid to preventfrom is lowered, that is to said, when it is desired lowering only theseat.

FIG. 14 illustrates a conventional perspective view of the device withpedal drive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet, when the lock element hasbeen actuated to prevent the lid and seat to be lowered and keep themlifted.

For a better understanding of the invention, the detailed description ofsome embodiments of the same will be made, shown in the drawings forillustration but not limiting purposes which are appended to the presentdescription.

DETAILED DESCRIPTION OF THE INVENTION

The characteristics details of the device with pedal drive mechanismsand hydraulic actuator to raise and lower, respectively, the lid andseat of a toilet, are clearly shown in the following description and theappended illustrative drawings, serving the same reference signs toindicate the same parts.

Referring to FIGS. 1-6, the device with pedal drive mechanisms andhydraulic actuator to raise and lower, respectively, the lid 8 and seat9 of a toilet 18, in accordance with the present invention comprises asupport structure 1 comprising a base 2 comprising vertical supportmeans 3 where rest a rotatably first axis 4 and a second axis 5, and acover 6 which is mounted on the base 2 and which is coupled thereto withfixing means 7. Said first axis 4 and second axis 5 are arrangedcollinearly and partially separated at their ends enclosed within saidsupport structure 1; the first axis 4 being longer and being attached atthe end protruding laterally from said support structure at the backside part of the lid 8 of a toilet; said second axis 5 is short andprotrudes at its end in the opposite side of said support structure 1 tobe affixed to the back side part of a toilet seat 9.

The first axis 4 attached at its end to the lid 8 and the second axis 5attached at its end to the seat 9 comprise fixedly with fixing means 10at the collinear attached internal ends of the support structure 1, afirst cam 11 and a second cam 12, respectively, adapted to receive andhold the end of a first cable 13 and second cable 14; the two cables ofeach cam out from underneath the support structure 1 and extending fromthe rear part of the toilet by the sides to the front part thereof; theend of the first cable 13 is connected to a first pedal element 15 andthe end of the second cable 14 is connected to a second pedal element16, independent of each other, but mounted in the same structure 17, tobe driven with one foot.

The support structure 1 is fixed to the toilet 18 in the back part ofthe hole of said toilet, attached to the base of the water tank 19 andis used a fixing hollow means 20 which penetrates through a orifice (notshown) formed in the toilet 18 and has threaded means 21 for fastening;through said fixing hollow means 20 penetrate the cables 13 and 14 ofactuation with pedal and through an orifice 22 formed in the base 2 ofsaid support structure 1.

Referring to FIGS. 1-8, when it is desired to lift the lid 8 for usingthe toilet to defecate, the first pedal 15 is pressed by foot to retractthe first cable 13 which pulls the first cam 11 making rotate said firstaxis 4 and being attached at its end to the lid 8, lifts it, remainingthe seat 9 in a normal position to use the toilet, said first pedal 15remains in actuated position without returning to its rest position.

With reference to FIGS. 1-10 and preferably 9 and 10, in the conditionwhere the lid 8 has been previously lifted as is shown in FIGS. 7 and 8,and it is desired lift the seat 9 for urinate (in the case of maleperson), the first pedal 15 will be in actuated position and the secondpedal 16 should be at rest position, the latter is pressed by the footto pull the second cable 14 which pulls the second cam 12 making rotatesaid second axis 5 and being attached at its end to the seat 9, liftsit. In this case both pedals 15 and 16 remain in actuated positionwithout returning to its rest position.

In the case where it is required to lift the lid 8 and the seat 9simultaneously to use the toilet to urinate (in the case of a maleperson), is pressed simultaneously with the foot, both the first pedal15 and the second pedal 16, which pull the corresponding cables 13 and14 attached to said cams 11 and 12, attached in turn to said first 4 andsecond 5 axes connected to the lid 8 and seat 9, respectively, to liftthem simultaneously.

In the preferred embodiment of the invention, the device furtherincludes a hydraulic piston actuated mechanism to allow a second turn inthe opposite direction of said axes and hence to lower the lid and seatsimultaneously or independently and automatically when water from thetoilet tank is discharged, once it has stopped using. To explain itshould be observed FIGS. 1, 2, 5, 7, 9 and 11 to 12 b.

In the referred figures, said hydraulic piston actuated mechanism toallow for a second turn in the opposite direction of said axes 4 and 5and thus to lower the lid 8 and seat 9 simultaneously or independentlyand automatically when water is discharged from the toilet tank once ithas stopped using, consists of hydraulic piston 23 which comprises abottom connection where is connected a water supply conduit 24 from asupply source and which internally houses a rod 25 as upstroke elementcomprising a recoil enveloping spring 26; said piston 23 comprises afirst bottom hole (not shown) to the water inlet being in communicationwith a second transverse hole (not shown) which allows the water supplythrough an side exit 27 of the piston connected through a supply conduit28 to the lower intake of the water storage tank 19 of toilet 18 to fillit when is discharged by effect of pressure differential.

The rod 25 of the piston 23 comprises fixedly at its upper end a crossshaped thrust cam 29, which in its upstroke abuts and pushes a third cam30 slidably mounted in the longitudinal direction, but non-rotatably onsaid first axis 4 fixed to said lid 8 and pushes simultaneously orseparately a fourth cam 31 fixed when moving in a third hollow axis 32mounted on said first independent rotatably axis 4; said third hollowaxis 32 being fixed to said seat 9, so allowing fold-down the lid andseat simultaneously, or separately by effect of secure elements.

Said hydraulic piston 23 is fixed to the bottom rear part of the toilet18 through a fixing hollow element 20 b which penetrates into a secondorifice (not shown) provided in said toilet 18 and which also holds saidbase of the support structure 1 to fixed it at the same time above thetoilet in the back part of the hole thereof; through said fixing hollowelement 20 b the piston rod makes its stroke and penetrates through asecond orifice 33 (FIG. 1) formed in the base 2 of the support structure1 for driving the shafts cams to lower the lid and seat as described.

When the toilet 18 is actuated to discharge water from the tank 19 andto dislodge debris from the toilet, a pressure differential is generatedthat allows the flow of pressurized water to the fold-down piston 23from the supply source to fill the tank and simultaneously actuates thepiston rod 25 to push the third cam 30 and the fourth cam 31simultaneously or separately and lower the lid and seat.

When the lid 8 and lower seat 9 are lowered, the pedals 15 and 16 returnto their rest position to be actuated.

In FIGS. 1, 2, 11 and 13, it is observed that said cover 6 of thesupport structure 1 comprises secure elements to prevent fold-down orlower the lid and locking elements which locks the piston element toprevent fold-down or lower the lid and seat; said secure elementconsisting of a horizontal travel button 34 mounted in a horizontalgroove of the cover 6 and being connected to a guide rail element 35embracing a protrusion of said third cam 30, which being slidablyembraced by said first elongate axis 4 which is attached to the lid 8,can moves horizontally to remove said third cam 30 and to avoid contactwith the cross shaped thrust cam attached to the rod 25; in this way isdisabled the axis 4 of the lid 8 and prevents the lid is lowered whenthe water tank is discharged, pushing only the fourth cam 31 fixed tosaid third hollow axis 32 mounted in said first independent rotatablyaxis 4 and fixed at one of its ends to said seat 9 in order to fold-dawnor lower the seat only.

Said locking element comprises a button 36 slidably mounted in ahorizontal groove of the cover 6 of the support structure 1 and whichcomprises fixedly a locking cam 37; so that when said button 36 slideshorizontally said locking cam 37 disposed on the cross shaped thrust cam29 fixed to the rod 25, obstructing the upstroke of the rod of thepiston 23 and avoids that when discharging the water tank 19 of thetoilet 18, the lid 8 and seat 9 lower automatically.

The invention has been sufficiently described so that a person ofordinary skill in the art to reproduce and obtain the results mentionedin the present invention. However, any person skilled in the technicalfield to which pertains the present invention may be able to makemodifications not described in this application, however, whether toimplement these changes in a particular structure or in themanufacturing process of the same, requires the claimed matter in thefollowing claims, such structures will be comprised within the scope ofthe invention.

1. A device with pedal drive mechanisms and hydraulic actuator to raiseand lower, respectively, the lid and seat of a toilet, wherein thedevice comprises a support structure adapted to be fixed in the backpart of the hole of a toilet and adapted to rotatably housing a firstaxis and a second axis disposed collinearly and partially separated attheir ends enclosed within the structure; said first axis is attached tothe laterally protruding end from said support structure at the backside part of the toilet lid; said second axis protrudes at its end inthe opposite side of said support structure to be affixed to the backside part of a toilet seat; said first axis and second axis comprisefixedly at the collinear attached internal ends a first cam and a secondcam, respectively, adapted to receive and hold the end of a first cableand a second cable, which emerge below the support structure and extendfrom the rear part of the toilet on one side to the front of the same;the end of the first cable is connected to a first pedal element and theend of the second cable is connected to a second pedal element,independent of each other, but mounted on a single structure, to beactuated by foot.
 2. A device with pedal drive mechanisms and hydraulicactuator to raise and lower, respectively, the lid and seat of a toilet,according to claim 1, wherein said first pedal where the first cable isattached which extends and fixes to said first cam fixedly mounted onsaid first axis fixed at the lid, is wider than the second pedal, toidentify them and actuate them separately or jointly.
 3. A device withpedal drive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet according to claim 1, whereinthe device further comprises a mechanism for generating a second turn inthe opposite direction of said axes to automatically lower the lid andseat simultaneously or independently by pressure differential when thetoilet tank is discharged; consists of a hydraulic piston comprising anupthrust cam fixed on its upper end, to push and turn optionally a thirdcam mounted on said first axis fixed to said lid and to pushsimultaneously or separately a fourth cam fixed to a third hollow axismounted on said first independent rotatably axis and fixed to one end ofsaid seat.
 4. A device with pedal drive mechanisms and hydraulicactuator to raise and lower, respectively, the lid and seat of a toiletaccording to claim 3, wherein said hydraulic piston comprising a bottomconnection where a water supply duct is connected from a supply sourceand internally houses a rod as upstroke element comprising a recoilenveloping spring; said piston comprises a first lower hole for thewater inlet in communication with a second transverse bore that allowsthe water supply through a side exit of the piston connected via asupply duct to the bottom intake of the water storage tank of thetoilet, for fill it when discharged by effect of the pressuredifferential; said piston is actuated by pressure differential when thewater from the toilet tank is discharged to start simultaneously the rodstroke to drive the cams and axes to fold-down the lid and seat; whenthe tank is filled, the pressure is equalized and the recoil springreturns the rod to the rest position.
 5. A device with pedal drivemechanisms and hydraulic actuator to raise and lower, respectively, thelid and seat of a toilet according to claim 1, wherein said supportstructure comprises a base comprising vertical support means where restand turn said first axis and second axis and a cover which is mounted onthe base and is coupled thereto with fixing means, to internally protectthe axes and actuating cams.
 6. A device with pedal drive mechanisms andhydraulic actuator to raise and lower, respectively, the lid and seat ofa toilet, according to claim 1 wherein said support structure is fixedto the toilet in the back part of the hole of said toilet, attached tothe base of the water tank and is used a fixing hollow means thatpenetrates through a orifice formed in the toilet and has threaded meansfor attachment; through said fixing hollow means penetrate the pedaldrive cables and through an orifice formed in the base of said supportstructure.
 7. A device with pedal drive mechanisms and hydraulicactuator to raise and lower, respectively, the lid and seat of a toilet,according to claim 1 wherein said hydraulic piston is fixed to the backbottom part of said toilet by means of a fixing hollow element whichpenetrates in a second orifice formed on said toilet, and also holdssaid base of the support structure to fixed it at the same time abovethe toilet in the back part of the hole thereof; through said fixinghollow element, the piston rod makes its stroke and penetrates through asecond orifice formed in the base of the support structure to actuatethe axes cams to lower the lid and seat as described.
 8. A device withpedal drive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet according to claim 1 whereinsaid support structure cover comprises secure elements to avoidfold-down or lower the lid and locking elements which locks said pistonto prevent fold-down or lower the lid and seat.
 9. A device with pedaldrive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet according to claim 8, whereinsaid secure element comprises a horizontal travel button mounted on ahorizontal groove of the cover of said support structure and beingconnected to a guide rail element housed in the structure which embracesa protrusion of said first cam, which being slidably embraced by saidfirst elongate axis attached to the lid, can displaced horizontally toremove said first cam and to avoid contact with the cross shaped thrustcam attached to the rod, disabling the axis of the lid and preventingthe lid is lowered when the water tank is discharged.
 10. A device withpedal drive mechanisms and hydraulic actuator to raise and lower,respectively, the lid and seat of a toilet according to claim 8, whereinsaid locking element comprises a button slidably mounted in a horizontalgroove of the support structure cover and which comprises fixedly alocking cam which is displaced arranged on the cross-shaped thrust camof the rod, obstructing the upstroke of the rod and preventing that thelid and seat to be lowered automatically when discharging the water tankof the toilet.